diff --git a/hw/i2c/allwinner-i2c.c b/hw/i2c/allwinner-i2c.c
index 9e8efa1d63..8abcc39a5c 100644
--- a/hw/i2c/allwinner-i2c.c
+++ b/hw/i2c/allwinner-i2c.c
@@ -415,7 +415,7 @@ static const VMStateDescription allwinner_i2c_vmstate = {
     .name = TYPE_AW_I2C,
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(addr, AWI2CState),
         VMSTATE_UINT8(xaddr, AWI2CState),
         VMSTATE_UINT8(data, AWI2CState),
diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c
index 1037c22b2f..b43afd250d 100644
--- a/hw/i2c/aspeed_i2c.c
+++ b/hw/i2c/aspeed_i2c.c
@@ -945,7 +945,7 @@ static const VMStateDescription aspeed_i2c_bus_vmstate = {
     .name = TYPE_ASPEED_I2C,
     .version_id = 5,
     .minimum_version_id = 5,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, AspeedI2CBus, ASPEED_I2C_NEW_NUM_REG),
         VMSTATE_END_OF_LIST()
     }
@@ -955,7 +955,7 @@ static const VMStateDescription aspeed_i2c_vmstate = {
     .name = TYPE_ASPEED_I2C,
     .version_id = 2,
     .minimum_version_id = 2,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(intr_status, AspeedI2CState),
         VMSTATE_STRUCT_ARRAY(busses, AspeedI2CState,
                              ASPEED_I2C_NR_BUSSES, 1, aspeed_i2c_bus_vmstate,
diff --git a/hw/i2c/core.c b/hw/i2c/core.c
index 879a1d45cb..4cf30b2c86 100644
--- a/hw/i2c/core.c
+++ b/hw/i2c/core.c
@@ -50,7 +50,7 @@ static const VMStateDescription vmstate_i2c_bus = {
     .version_id = 1,
     .minimum_version_id = 1,
     .pre_save = i2c_bus_pre_save,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(saved_address, I2CBus),
         VMSTATE_END_OF_LIST()
     }
@@ -359,7 +359,7 @@ const VMStateDescription vmstate_i2c_slave = {
     .version_id = 1,
     .minimum_version_id = 1,
     .post_load = i2c_slave_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(address, I2CSlave),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/i2c/exynos4210_i2c.c b/hw/i2c/exynos4210_i2c.c
index b65a7d0222..9445424d5f 100644
--- a/hw/i2c/exynos4210_i2c.c
+++ b/hw/i2c/exynos4210_i2c.c
@@ -273,7 +273,7 @@ static const VMStateDescription exynos4210_i2c_vmstate = {
     .name = "exynos4210.i2c",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(i2ccon, Exynos4210I2CState),
         VMSTATE_UINT8(i2cstat, Exynos4210I2CState),
         VMSTATE_UINT8(i2cds, Exynos4210I2CState),
diff --git a/hw/i2c/imx_i2c.c b/hw/i2c/imx_i2c.c
index 9792583fea..a25676f025 100644
--- a/hw/i2c/imx_i2c.c
+++ b/hw/i2c/imx_i2c.c
@@ -285,7 +285,7 @@ static const VMStateDescription imx_i2c_vmstate = {
     .name = TYPE_IMX_I2C,
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT16(address, IMXI2CState),
         VMSTATE_UINT16(iadr, IMXI2CState),
         VMSTATE_UINT16(ifdr, IMXI2CState),
diff --git a/hw/i2c/microbit_i2c.c b/hw/i2c/microbit_i2c.c
index e92f9f84ea..24d36d15b0 100644
--- a/hw/i2c/microbit_i2c.c
+++ b/hw/i2c/microbit_i2c.c
@@ -80,7 +80,7 @@ static const VMStateDescription microbit_i2c_vmstate = {
     .name = TYPE_MICROBIT_I2C,
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MicrobitI2CState, MICROBIT_I2C_NREGS),
         VMSTATE_UINT32(read_idx, MicrobitI2CState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/i2c/mpc_i2c.c b/hw/i2c/mpc_i2c.c
index 219c548402..cb051a520f 100644
--- a/hw/i2c/mpc_i2c.c
+++ b/hw/i2c/mpc_i2c.c
@@ -312,7 +312,7 @@ static const VMStateDescription mpc_i2c_vmstate = {
     .name = TYPE_MPC_I2C,
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(address, MPCI2CState),
         VMSTATE_UINT8(adr, MPCI2CState),
         VMSTATE_UINT8(fdr, MPCI2CState),
diff --git a/hw/i2c/npcm7xx_smbus.c b/hw/i2c/npcm7xx_smbus.c
index e7e0ba66fe..0ea3083bb6 100644
--- a/hw/i2c/npcm7xx_smbus.c
+++ b/hw/i2c/npcm7xx_smbus.c
@@ -1046,7 +1046,7 @@ static const VMStateDescription vmstate_npcm7xx_smbus = {
     .name = "npcm7xx-smbus",
     .version_id = 0,
     .minimum_version_id = 0,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(sda, NPCM7xxSMBusState),
         VMSTATE_UINT8(st, NPCM7xxSMBusState),
         VMSTATE_UINT8(cst, NPCM7xxSMBusState),
diff --git a/hw/i2c/pm_smbus.c b/hw/i2c/pm_smbus.c
index 78e7c229a8..3eed8110b9 100644
--- a/hw/i2c/pm_smbus.c
+++ b/hw/i2c/pm_smbus.c
@@ -455,7 +455,7 @@ const VMStateDescription pmsmb_vmstate = {
     .name = "pmsmb",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(smb_stat, PMSMBus),
         VMSTATE_UINT8(smb_ctl, PMSMBus),
         VMSTATE_UINT8(smb_cmd, PMSMBus),
diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c
index 1b978e588f..ba1d2fd716 100644
--- a/hw/i2c/pmbus_device.c
+++ b/hw/i2c/pmbus_device.c
@@ -1886,7 +1886,7 @@ const VMStateDescription vmstate_pmbus_device = {
     .name = TYPE_PMBUS_DEVICE,
     .version_id = 0,
     .minimum_version_id = 0,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_SMBUS_DEVICE(smb, PMBusDevice),
         VMSTATE_UINT8(num_pages, PMBusDevice),
         VMSTATE_UINT8(code, PMBusDevice),
diff --git a/hw/i2c/smbus_eeprom.c b/hw/i2c/smbus_eeprom.c
index 12c5741f38..c42236bb13 100644
--- a/hw/i2c/smbus_eeprom.c
+++ b/hw/i2c/smbus_eeprom.c
@@ -100,7 +100,7 @@ static const VMStateDescription vmstate_smbus_eeprom = {
     .version_id = 1,
     .minimum_version_id = 1,
     .needed = smbus_eeprom_vmstate_needed,
-    .fields      = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_SMBUS_DEVICE(smbusdev, SMBusEEPROMDevice),
         VMSTATE_UINT8_ARRAY(data, SMBusEEPROMDevice, SMBUS_EEPROM_SIZE),
         VMSTATE_UINT8(offset, SMBusEEPROMDevice),
diff --git a/hw/i2c/smbus_ich9.c b/hw/i2c/smbus_ich9.c
index 18d40e93c1..208f263ac5 100644
--- a/hw/i2c/smbus_ich9.c
+++ b/hw/i2c/smbus_ich9.c
@@ -50,7 +50,7 @@ static const VMStateDescription vmstate_ich9_smbus = {
     .name = "ich9_smb",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_PCI_DEVICE(dev, ICH9SMBState),
         VMSTATE_BOOL_TEST(irq_enabled, ICH9SMBState, ich9_vmstate_need_smbus),
         VMSTATE_STRUCT_TEST(smb, ICH9SMBState, ich9_vmstate_need_smbus, 1,
diff --git a/hw/i2c/smbus_slave.c b/hw/i2c/smbus_slave.c
index 2ef2c7c5f6..1300c9ec72 100644
--- a/hw/i2c/smbus_slave.c
+++ b/hw/i2c/smbus_slave.c
@@ -215,7 +215,7 @@ const VMStateDescription vmstate_smbus_device = {
     .name = TYPE_SMBUS_DEVICE,
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_I2C_SLAVE(i2c, SMBusDevice),
         VMSTATE_INT32(mode, SMBusDevice),
         VMSTATE_INT32(data_len, SMBusDevice),